88680420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 283989888

約数和(自身を除く): 195309468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 243, 257, 270, 284, 324, 355, 405, 426, 486, 514, 540, 639, 710, 771, 810, 852, 972, 1028, 1065, 1215, 1278, 1285, 1420, 1542, 1620, 1917, 2130, 2313, 2430, 2556, 2570, 3084, 3195, 3834, 3855, 4260, 4626, 4860, 5140, 5751, 6390, 6939, 7668, 7710, 9252, 9585, 11502, 11565, 12780, 13878, 15420, 17253, 18247, 19170, 20817, 23004, 23130, 27756, 28755, 34506, 34695, 36494, 38340, 41634, 46260, 54741, 57510, 62451, 69012, 69390, 72988, 83268, 86265, 91235, 104085, 109482, 115020, 124902, 138780, 164223, 172530, 182470, 208170, 218964, 249804, 273705, 312255, 328446, 345060, 364940, 416340, 492669, 547410, 624510, 656892, 821115, 985338, 1094820, 1249020, 1478007, 1642230, 1970676, 2463345, 2956014, 3284460, 4434021, 4926690, 5912028, 7390035, 8868042, 9853380, 14780070, 17736084, 22170105, 29560140, 44340210, 88680420]

約数ペア:

[(1, 88680420), (2, 44340210), (3, 29560140), (4, 22170105), (5, 17736084), (6, 14780070), (9, 9853380), (10, 8868042), (12, 7390035), (15, 5912028), (18, 4926690), (20, 4434021), (27, 3284460), (30, 2956014), (36, 2463345), (45, 1970676), (54, 1642230), (60, 1478007), (71, 1249020), (81, 1094820), (90, 985338), (108, 821115), (135, 656892), (142, 624510), (162, 547410), (180, 492669), (213, 416340), (243, 364940), (257, 345060), (270, 328446), (284, 312255), (324, 273705), (355, 249804), (405, 218964), (426, 208170), (486, 182470), (514, 172530), (540, 164223), (639, 138780), (710, 124902), (771, 115020), (810, 109482), (852, 104085), (972, 91235), (1028, 86265), (1065, 83268), (1215, 72988), (1278, 69390), (1285, 69012), (1420, 62451), (1542, 57510), (1620, 54741), (1917, 46260), (2130, 41634), (2313, 38340), (2430, 36494), (2556, 34695), (2570, 34506), (3084, 28755), (3195, 27756), (3834, 23130), (3855, 23004), (4260, 20817), (4626, 19170), (4860, 18247), (5140, 17253), (5751, 15420), (6390, 13878), (6939, 12780), (7668, 11565), (7710, 11502), (9252, 9585)]